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Old 12-15-2009, 05:06 PM   #11
georgetg
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Default Re: G-Wagon Wheels 265/60R18

Gary,

I'm very happy with my choice of wheels and tires and my Sprinter drives like a car...
The tires soak up bumps in the road without transmitting to the body.
The tire noise is also significantly reduced.

Quote:
Originally Posted by gary 32 View Post
275 65 R 18 or 255's give you the e rated choices your Sprinter needs
Show me the 255/60R18 or 255/55R18 tire that is e rated ;-)

275/65R18 might work on a NCV3 but won't work on a T1N
32" diameter won't fit on the T1N, you'll have to cut out the whole fender...
My tires are 30.5" diameter and pushing it...
Anything bigger than 265/60r18 and it's not a small project anymore...

History t1N vs NCV3:
The NCV3 was engineered with factory 16" wheels.
The T1N was engineered for 15" wheels.
(The scarcity US side of 15" load rated tires is why MB lifted the 140 and 158 T1Ns to fit 16" wheels...)

Cheers
George
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Old 12-15-2009, 06:47 PM   #12
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Exclamation Re: G-Wagon Wheels 265/60R18

Quote:
Originally Posted by georgetg View Post
NYC

That's a sharp looking 158...
But I think you're cutting it tight with the payload on your van unless you end up having empty seats...

Let's use a lowball 180lbs./person 30lbs./bag
You got about 1580lbs payload left and that assumes its all distributed evenly..

You could load 6 people plus yourself, that's 1080 + 180 = 1260
Then you can still load 10 bags 300lbs for a total of 1560 and be under the limit but it's tight...

That's why I went with the higher 114 rating...YMMV

Cheers
George
i don't know i been loaded before to the top with 14 passengers plus bags when plenty of times on long trips to Florida for two weeks and no problems!!! at 85 degrees weather tires are warm but not hot from driving on the highway!!! that way i stick with Michelin not anything else!!!
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Old 12-16-2009, 01:56 PM   #13
gary 32
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Default Re: G-Wagon Wheels 265/60R18

Quote:
Originally Posted by georgetg View Post
Gary,

Show me the 255/60R18 or 255/55R18 tire that is e rated ;-)

275/65R18 might work on a NCV3 but won't work on a T1N
32" diameter won't fit on the T1N, you'll have to cut out the whole fender...
My tires are 30.5" diameter and pushing it...
Anything bigger than 265/60r18 and it's not a small project anymore...

Cheers
George
Hey George,
I like your wheels and your tires, they look really nice on you van.

I use the full capacity of my Sprinter on a regular basis so I really had to search for the correct wheel and tire combination and still maintain an e rating.

I did a quick search this morning and found Goodyear Fortera HL 255 65 18 e rated, 31" diameter. There are other e rated options near this size, but you do have to search hard.

I found that wheel offsets over 50 are really important to fitting a larger tire in my wheel wells. Fitting a wider 32" diameter tire with no rubbing was a good trick. Mine drives like a car now also with greatly reduced tire noise and pretty good dynamics.

Best Regards. Gary
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Old 12-20-2009, 09:07 PM   #14
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Default Re: G-Wagon Wheels 265/60R18

Quote:
Originally Posted by gary 32 View Post
...I did a quick search this morning and found Goodyear Fortera HL 255 65 18 e rated, 31" diameter. There are other e rated options near this size, but you do have to search hard.
I found that wheel offsets over 50 are really important to fitting a larger tire in my wheel wells. Fitting a wider 32" diameter tire with no rubbing was a good trick. Mine drives like a car now also with greatly reduced tire noise and pretty good dynamics...

I finally got it on the 405 and what a difference these tire/wheels/shocks make.
I highly doubt 31" wheels will fit in any T1N without any modifications,

I measured 3/4 inch clearance between the wheel and the forward edge of the rocker panel on my stock T1N with the 225/75R16 and the stock ET70 wheels.

Cheers
George
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Old 03-06-2010, 01:45 AM   #15
benster
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Default Re: G-Wagon Wheels 265/60R18

George (& others),
Thanks for the great details here. I've been searching like crazy for a good solution, too. Hoping to go your route, but have a number of questions I hope you might help with first...

As the second owner of this Mercedes-badged 2004 low-top 144 wb 2500, had to educate myself on current status of my van. Seat tag says stock tires were 225/75 R16, bought it with what I think are the same wheels you have. 18" for sure, look just like your pics.

Question 1: Are there other similar-looking but slightly different options out there (different offset, perhaps?), or since mine look like yours we're surely on the same wheels?

Came with 255/55 R18 XL Courser MSR 109S tires in good shape & ran fine for me, but time for me to replace. (Side note, bad ball joints did 'em in early.) Hoping to find properly rated tires this time, and found out why those weren't (can't find such a thing!) Found your post (thanks again.)

Quote:
Originally Posted by georgetg View Post
At first I was going to put 20" wheels on. The 275/55R20 all are way high load rated...
I settled on the stock G-Class wheels because I thought I could fit the 265/60R18 without modifications. Unfortunately the online tire size caculators had the stock tires at 29.3 in. diameter when it really was 28.5 for mine. Almost an extra inch but I meant I had to pullout the sawsall and the grinder...

I wanted a load index close to the required...
The Rear axle is rated at 5360lbs GAVW, that's 2680/tire thus the requirement for load index of 115.
I gave up 80lbs./tire in load carrying ability by going with the 114 load index Coopers.

The 110 load rating is for 2337lbs/tire, that's a 686 lbs. payload penalty for the rear axle.
Question 2: Can you give more details, or even some pics, of what exactly you took off with the sawsall & grinder? Your posted pics look like nothing visibly painted was "revised" by your efforts. Is that right or did you touchup paint?

Question 3: How did you know what needed taking off? Did you install the tires then drive home & just turn the wheels in your driveway and hack off whatever they hit, or more scientific than that? (I'm especially wondering how clearance will change under load or road bumps.)

Question 4: Does one of those 265/60R18's fit in the spare tire nest underneath the van (while still fully inflated?) If not, what's your spare arrangement?

I'd sure like to be safe & full-capacity-capable on these wheels, but am starting to understand the tradeoff between looks & load on this one. Now that you've made it happen, hoping to learn a thing or two myself.

Thanks again. Those wheels/tires look good!
--Ben
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Old 03-06-2010, 06:35 AM   #16
georgetg
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Default Re: G-Wagon Wheels 265/60R18

Quote:
Originally Posted by benster View Post
Question 1: Are there other similar-looking but slightly different options out there (different offset, perhaps?), or since mine look like yours we're surely on the same wheels?
Easy, take the wheel off look on the inside, the ET and MB part number are on there in raised type.

Quote:
Originally Posted by benster View Post
Question 2: Can you give more details, or even some pics, of what exactly you took off with the sawsall & grinder? Your posted pics look like nothing visibly painted was "revised" by your efforts. Is that right or did you touchup paint?
I took off about 3/4" off the rocker panel right behind the wheel. The gap between the inner and outer skin was cleaned, rustproofed and filled with sikaflex 252, then painted. Finally I covered the inside wheelwell with underbody coating.

In the front I had to remove the standing seam and move the wheelwell about 1/2" forward, its right in the seam area where the wheelwell sheetmetal transitions to horizontal...

Quote:
Originally Posted by benster View Post
Question 3: How did you know what needed taking off? Did you install the tires then drive home & just turn the wheels in your driveway and hack off whatever they hit, or more scientific than that?
The German forum was helpful, so I had an idea going in. Then I looked at the gross clearance issues by turning the wheels lock to lock. After I resolved that I went driving, that's where I discovered the area forward of the tire mentioned above. It only rubs during cornering under load so it took a few trials to get it right.

I have since driven in Death Valley where earlier this year torrential rains made many roads temporarily unpassable because of flooding and mudslides... The Sprinter just powered through those...

Quote:
Originally Posted by benster View Post
Question 4: Does one of those 265/60R18's fit in the spare tire nest underneath the van (while still fully inflated?) If not, what's your spare arrangement?
Haven't addressed the issue yet, limp mode is not as aweful as it sounds.
Long term a 215/85 R16 should have the same circumference, I doubt the 265/60 R18 will fit...

Lot of work but very rewarding, my rear bench seat was nearly unusable on the 405 according to my wife, with the G-wagon tires/wheels and Konis it is much much better... and she approves now ;-)

Good luck with your project!

Cheers
George
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Old 03-08-2010, 10:45 PM   #17
benster
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Default Re: G-Wagon Wheels 265/60R18

Thanks for the details, George. Very, very helpful.

Sorry to say, it sounds like more than I'm ready to do right now, so probably going to run tires that fit easily but are underrated again for the next round of rubber. (255/55R18 as I've been using.) Your help allowed me to make that an informed & conscientious decision.

Also did the load math so know now what I ought to be (or not be) carrying & why.

Sprinter weighed when empty: 5000 lbs

GVWR: 8550 lbs = 4.275 tons
GAWR (front): 3860 (55 psi)
GAWR (front) each wheel: 1930
GAWR (rear): 5360 (79 psi)
GAWR (rear) each wheel: 2680

109 rated tire each: 2271 (50 psi)

GAWtires: 4542
GAW (rear) difference: 818 <--- my load reduction due to tires
GVWtires: 7732 = 3.87 tons

CCC (empty): 2732 = 1.37 tons

I usually have cabinets full of tools in the van, so in that scenario:
Sprinter weighed w/cabinets & tools: 3.22 ton = 6440 lbs

CCC (w/tools): 1292 = .65 tons

Thanks again
--Ben

Last edited by benster; 03-08-2010 at 10:48 PM.
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Old 06-03-2010, 11:45 AM   #18
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Default Re: G-Wagon Wheels 265/60R18

Quote:
Originally Posted by NYC SPRINTERS View Post
to make things work the right way i put Michelin 255/55/18 tires they are the best for the sprinter and can hold up 1895 pounds each!!! my sprinter weight empty with out passenger is 6000 pounds i was at the scales so i figure the Michelin's will be the best but your sprinter is much liter then mine!
I also ran 255/55/18s rated @ 1895 lbs for my first set. I would suggest upgrading to a load rating of at least 2271 lbs. on your next set.



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Old 03-18-2011, 04:08 PM   #19
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Default Re: G-Wagon Wheels 265/60R18

Quote:
Originally Posted by georgetg View Post
I took off about 3/4" off the rocker panel right behind the wheel. The gap between the inner and outer skin was cleaned, rustproofed and filled with sikaflex 252, then painted. Finally I covered the inside wheelwell with underbody coating.

In the front I had to remove the standing seam and move the wheelwell about 1/2" forward, its right in the seam area where the wheelwell sheetmetal transitions to horizontal...
Do you have any pictures on this. I'm having my 2002 in for rust cleanup and might have them mod this as well. I really like the way yours looks!

God bless you,

William
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Old 01-04-2012, 11:33 PM   #20
georgetg
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Default Re: G-Wagon Wheels 265/60R18

Update: I had to add 1.5 degree camber shims to straighten out the tires and even out the wear.

I had lots of outer edge wear on the front tires, maybe it's partially due to the Koni/bigger tire combination and change in geometry...

Cheers
George
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